Analysis
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max time kernel
141s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 20:08
Behavioral task
behavioral1
Sample
AZK20_A5_MAILVERSAND.pdf
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
AZK20_A5_MAILVERSAND.pdf
Resource
win10v2004-20240226-en
General
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Target
AZK20_A5_MAILVERSAND.pdf
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Size
487KB
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MD5
ad3e1eb06a97cad168bd13245d43dfc0
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SHA1
c0ac1e738b82eeb03524f80af98a1b8866167269
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SHA256
5cecfa453b318b997c9bb1dc1e4375b216335a748eaa303eb0b121096559c470
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SHA512
e5717489e11c5c7e7921dca0418bcfaf2b0b88032f3a19f2bf9d6b15d9e59cc59efdf202fb5e17d42f238133e8958a9665c7d93da1c6db408269fbfee7332184
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SSDEEP
6144:/i4s1vrFXCuwiUHe2tgZWCv1F+pVBMMDamwavOZen2RHjPHusChXh8rH5nz/Jv:/iRvJou4JwYByuscXhO5z/Jv
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
AcroRd32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 2640 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe 2640 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 2640 wrote to memory of 1824 2640 AcroRd32.exe RdrCEF.exe PID 2640 wrote to memory of 1824 2640 AcroRd32.exe RdrCEF.exe PID 2640 wrote to memory of 1824 2640 AcroRd32.exe RdrCEF.exe PID 2640 wrote to memory of 4004 2640 AcroRd32.exe RdrCEF.exe PID 2640 wrote to memory of 4004 2640 AcroRd32.exe RdrCEF.exe PID 2640 wrote to memory of 4004 2640 AcroRd32.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1340 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe PID 1824 wrote to memory of 1692 1824 RdrCEF.exe RdrCEF.exe
Processes
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\AZK20_A5_MAILVERSAND.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=1C8E7E03C661705E08584FCF451B849E --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=2EBAB7463AC7B151ECC434ED72541D00 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=2EBAB7463AC7B151ECC434ED72541D00 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=866C4F35EF79C20B76CE088E9CB05DE8 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=866C4F35EF79C20B76CE088E9CB05DE8 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:13⤵
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=B1726BD7CAD0D2FD7EAC6A3AE7608F49 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=A729A0807E1635D5001080FF8BB36515 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=9F70BB58E7527BC20DC5364BE2C86D48 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4124 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
64KB
MD5462984ff44d1ffa658671e2feeaafae2
SHA194808194a0beeb8c08474533c2ef75ac791097fc
SHA2566d22dc5407811e232f023ec6818fa66e446320f755b3ca88f6f5dc4e1138183b
SHA5126024f766d107e1627e8d8cb10e4a0a16e326982e46353d25b2d641972c8b4d11b5b409919b033587c98a6b83f2c616f5e55f781075ce12ac42d2c33f96cf25ef
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5